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Isotopes of the Element Zinc

[Click for Main Data]         Proton Emission     Neutron Emission     Electron Emission     Positron Emission

Most of the isotope data on this site has been obtained from the National Nuclear Data Center.

Naturally Occurring Isotopes

Mass NumberNatural AbundanceHalf-life
6449.17%>= 7.0×1020 years
6627.73%STABLE
674.04%STABLE
6818.45%STABLE
700.61%>= 2.3×10+17 years

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
541.59 millisecondsDouble Proton Emission92%
5519.8 millisecondsElectron Capture100.0%
Electron Capture with
delayed Proton Emission
91.0%
5630.0 millisecondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
86.00%
5738 millisecondsElectron Capture with
delayed Proton Emission
>= 65.00%
Electron Capture100.00%
5886 millisecondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
< 3.00%
59182.0 millisecondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
0.10%
602.38 minutesElectron Capture100.00%
6189.1 secondsElectron Capture100.00%
61m< 430 millisecondsIsomeric TransitionNo Data Available
61m10.14 secondsIsomeric TransitionNo Data Available
61m2< 0.13 secondsIsomeric TransitionNo Data Available
629.186 hoursElectron Capture100.00%
6338.47 minutesElectron Capture100.00%
64>= 7.0×1020 yearsDouble Electron CaptureNo Data Available
65243.93 daysElectron Capture100.00%
66STABLE--
67STABLE--
68STABLE--
6956.4 minutesBeta-minus Decay100.00%
69m13.76 hoursIsomeric Transition99.97%
Beta-minus Decay0.03%
70>= 2.3×10+17 years   Double Beta-minus DecayNo Data Available
712.45 minutesBeta-minus Decay100.00%
71m3.96 hoursBeta-minus Decay100.00%
Isomeric Transition<= 0.05%
7246.5 hoursBeta-minus Decay100.00%
7323.5 secondsBeta-minus Decay100.00%
73m5.8 secondsBeta-minus DecayNo Data Available
Isomeric TransitionNo Data Available
73m113.0 millisecondsIsomeric Transition100.00%
7495.6 secondsBeta-minus Decay100.00%
7510.2 secondsBeta-minus Decay100.00%
765.7 secondsBeta-minus Decay100.00%
772.08 secondsBeta-minus Decay100.00%
77m1.05 secondsIsomeric Transition> 50.00%
Beta-minus Decay< 50.00%
781.47 secondsBeta-minus Decay100.00%
790.995 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
1.30%
800.54 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
1.00%
81304 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
7.50%
82> 150 nanosecondsBeta-minus DecayNo Data Available
83> 300 nanosecondsBeta-minus DecayNo Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
84> 633 nanosecondsBeta-minus DecayNo Data Available
Beta-minus Decay with delayed
Double Neutron Emission
No Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
85> 637 nanosecondsBeta-minus Decay (suspected)No Data Available
85m637 nanosecondsBeta-minus Decay with
delayed Neutron Emission (suspected)  
No Data Available
85m1> 637 nanosecondsBeta-minus Decay with delayed
Double Neutron Emission (suspected)
No Data Available